Activists from Colombia, Afghanistan expected to speak at March 20 gathering
Pedro Santos was a teenager when he came out to his parents
Caribe Afirmativo launched initiative to support peace agreement
Country beginning to implement LGBT-inclusive peace agreement
AngƩlica Lozano to run for country's Senate in 2018
: Juan Carlos PinzĆ³n spoke in D.C. on Friday
Accord specifically acknowledges conflictās LGBT victims
Referendum to take place on Oct. 2
Activist took part in peace talks in Cuba
Rebel group views fight against homophobia as ālegitimateā